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Add FloatNN(::Dual) #538

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Add FloatNN(::Dual) #538

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fc42df1
add test for Float(::Dual)
Jul 23, 2021
3ff0b2d
implement Flaot(:Dual)
Jul 23, 2021
ae94b02
bump version
Jul 23, 2021
1f5e4fa
Float(Dual(x,y)) == Dual(Float(x), Float(y))
oxinabox Jul 26, 2021
3ca3fc9
move to be with other floating operations
oxinabox Jul 26, 2021
c5102fa
Add Function that we could not take derivative of before but can now
oxinabox Jul 26, 2021
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2 changes: 1 addition & 1 deletion Project.toml
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
name = "ForwardDiff"
uuid = "f6369f11-7733-5829-9624-2563aa707210"
version = "0.10.19"
version = "0.10.20"

[deps]
CommonSubexpressions = "bbf7d656-a473-5ed7-a52c-81e309532950"
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4 changes: 4 additions & 0 deletions src/dual.jl
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Expand Up @@ -314,6 +314,10 @@ end
Integer(value(d))
end

for F in (:Float16, :Float32, :Float64)
@eval @inline Base.$F(d::Dual{T,V,N}) where {T,V,N} = convert(Dual{T,promote_type(V, $F),N}, d)
end

@inline Random.rand(rng::AbstractRNG, d::Dual) = rand(rng, value(d))
@inline Random.rand(::Type{Dual{T,V,N}}) where {T,V,N} = Dual{T}(rand(V), zero(Partials{N,V}))
@inline Random.rand(rng::AbstractRNG, ::Type{Dual{T,V,N}}) where {T,V,N} = Dual{T}(rand(rng, V), zero(Partials{N,V}))
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6 changes: 6 additions & 0 deletions test/DualTest.jl
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Expand Up @@ -517,6 +517,12 @@ end
@test length(UnitRange(Dual(1.5), Dual(3.5))) == 3
@test length(UnitRange(Dual(1.5,1), Dual(3.5,3))) == 3
end

@testset "Float" begin
for F in (Float16, Float32, Float64)
@test F(Dual(3, 5)) == Dual(F(3), F(5))
end
end

if VERSION >= v"1.6.0-rc1"
@testset "@printf" begin
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